Which of the Following Can Be Determined by Using the Doppler

question 110

Multiple Choice

Which of the following can be determined by using the Doppler Effect?
I. The speed at which a star is moving away from an observer.
II. The transverse velocity of a star.
III. The radial velocity of a star.
IV. The speed at which a car is traveling toward an observer.

• A) I, IV
• B) II III
• C) II IV
• D) I,III
• E) I, III, IV

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Definitions:

Primary Reinforcer

A stimulus that satisfies a basic survival need and thus inherently reinforces and increases the likelihood of a behavior associated with it.

Secondary Reinforcer

A stimulus that becomes reinforcing through its association with a primary reinforcer, not inherently rewarding but has learned value.

Operant Conditioning

A pedagogical process that modifies the intensity of behavior with either encouragement or discipline.

Primary Reinforcer

A fundamental stimulus that satisfies basic survival needs and is naturally reinforcing, such as food or water.